no-music

#!/bin/sh

isassetdir() {
  d=$1
  name=$(echo "${d##*/}" | tr '[:upper:]' '[:lower:]')
  test "$name" = '@eadir' \
    -o "$name" = '300-dpi scans' \
    -o "$name" = 'album art' \
    -o "$name" = 'art' \
    -o "$name" = 'artwork' \
    -o "$name" = 'bonus' \
    -o "$name" = 'booklet' \
    -o "$name" = 'c_scan-dg-ilbon2000' \
    -o "$name" = 'covers' \
    -o "$name" = 'hq covers' \
    -o "$name" = 'immagini' \
    -o "$name" = 'jacket and disc' \
    -o "$name" = 'playlists' \
    -o "$name" = 'scans' \
    -o "$name" = 'sequencer' \
    -o "$name" = 'technical spec' \
    -o "$name" = 'video links'
}

test $# -gt 0 || {
  echo "Usage: no-music <directory-tree-to-check> ..."
  exit 1
}

find $@ -maxdepth 1 -type d | while read dir
do
  isassetdir "$dir" && continue
  ok=
  for f in "$dir"/*
  do
    test -d "$f" && ! isassetdir "$f" && ok=1 && break # not a leaf
    f=$(echo "$f" | tr '[:upper:]' '[:lower:]')
    ext=${f##*.}
    case "$ext" in
      ape|flac|m4a|mp3|ogg|opus|wma)
        ok=1
        break
        ;;
    esac
  done
  test "$ok" || echo "$dir"
done